INTUITIONISM
One of the most familiar non-classical logics is intuitionism, which, in simple terms, is based upon the rejection of the law of excluded middle: (P ∨ ¬P). There are both…
PHILOSOPHIES OF EAST ASIA
The dominant philosophical traditions in this part of the world began in Ancient China from the sixth century to 221…
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MANY-VALUE LOGICS
MANY-VALUE LOGICS
In the classical logics already discussed, the logical connectives are taken to be bivalent—that is, they allow of only two different truth values: true and false. One natural extension to…
RATIONALISM
RATIONALISM
Rationalism designates a variety of philosophical schools maintaining that reason, as opposed to empirical investigation, is the most important method of acquiring knowledge.
RELEVANCE LOGICS
RELEVANCE LOGICS
A relevance logic is motivated by the idea that the premises of a valid argument must be somehow “relevant” to its conclusion. The idea is motivated by the fact that…
PHENOMENOLOGY
PHENOMENOLOGY
As originally developed by Edmund Husserl (1859–1938), phenomenology seeks to provide a detailed description of the way in which things are presented to us—that is to say, phenomena —in an…
QUANTUM LOGIC
QUANTUM LOGIC
Most non-classical logics are motivated by either philosophical considerations, such as the metaphysical status of the future, or technical concerns about the neutrality of the logical connectives or the notion…
CLASSICAL PHILOSOPHY
CLASSICAL PHILOSOPHY
The Classical Period in philosophy was dominated by the teachings of Plato (427–347 BC) and Aristotle (384–322 BC) but gradually fell into a decline following the conquest of the independent…
BASIC LOGICAL SYMBOLS
BASIC LOGICAL SYMBOLS
¬ one-place logical connective read as “not” or as “is not the case” ~ alternative notation for “not” & two-place logical connective read as “and” ˄ and
METAPHYSICS
METAPHYSICS
Metaphysics is the philosophical investigation of reality, including the nature of the world and the entities it contains. While such an investigation inevitably overlaps with natural philosophy—the sciences, especially physics…
AESTHETICS
AESTHETICS
Aesthetics is concerned with the nature of art (whether visual, literary, dramatic, or in some other medium) and the way in which art is experienced. Two principal related issues, therefore,…
WHAT IS GOOD WRITING?
WHAT IS GOOD WRITING?
What is good music? What is good art? What is good writing? Such questions unleash many opinions. The branch of traditional philosophy called Aesthetics is devoted to answering such questions…
THE ARGUMENTATIVE PAPER
THE ARGUMENTATIVE PAPER
Essays of assertion, affirmation, and refutation are all examples of the argumentative paper. An effective argument relies on factually true premises or premises for which you have strong support.
EPICUREANISM
EPICUREANISM
Founded by Epicurus (341–271 BC), this eponymous philosophy is best known through the Roman poet Lucretius (mid first century BC). Like the Atomists, the Epicureans maintained that everything is made…
ARISTOTLE
ARISTOTLE
Aristotle (384–322 BC) was born in Stagira but moved to Athens as a young man to study at Plato’s Academy. Following Plato’s death, Aristotle traveled, became tutor to Alexander the…
CYNICISM
CYNICISM
Founded by Antisthenes (c. 445–360 BC), who taught the importance of individual virtue over material luxury, Cynicism was contemptuous of political institutions and organized religion. It rejected refined philosophical speculation…
HEGELIANISM
One common theme in post-Kantian philosophy was an attempt to overcome the remaining divisions between noumena and phenomena, and to…
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Discipline Is Destiny: The Power of Self-Control (The Stoic Virtues Series)
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Stillness Is the Key
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Right Thing, Right Now: Justice in an Unjust World (The Stoic Virtues Series)
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How to Think Like a Roman Emperor: The Stoic Philosophy of Marcus Aurelius
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Letters from a Stoic: Penguin Classics
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Books
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Existentialism: A Very Short Introduction
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Thinking Out of Sight: Writings on the Arts of the Visible (The France Chicago Collection)
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A History of Philosophy, Volume 3: Late Medieval and Renaissance Philosophy: Ockham, Francis Bacon, and the Beginning of the Modern World
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Free Will [Deckle Edge]
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Angels and Us
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The Holy Spirit’s Presence: Accessing God’s Power by Acknowledging Our Weakness
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Commentary on Thomas Aquinas’s Treatise on Law
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Philosophy as a Way of Life: Spiritual Exercises from Socrates to Foucault
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Heroes and Philosophy: Buy the Book, Save the World
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Essays and Aphorisms (Penguin Classics)
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Thinking from A to Z
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Writing and Difference
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The Collected Works, Vol. 5
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Confessions (Penguin Classics)
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The Dhammapada (Easwaran’s Classics of Indian Spirituality Book 3)
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On Human Nature
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The Atomos Blog
Philosophy of Law: An Introduction
Philosophy of Law: An Introduction
Philosophy of Law: An Introduction
Philosophy of Law: An Introduction
Philosophy of Science: An Introduction
Philosophy of Science: An Introduction
Aesthetics: An Introduction
Aesthetics: An Introduction
Epistemology: An Introduction
Epistemology: An Introduction
Ethics: An Introduction
Ethics: An Introduction
Logic: An Introduction
Logic: An Introduction
Metaphysics: An Introduction
Metaphysics: An Introduction
Philosophy of History: An Introduction
Philosophy of History: An Introduction
Philosophy of Language: An Introduction
Philosophy of Language: An Introduction
Philosophy of Mind: An Introduction
Philosophy of Mind: An Introduction
Philosophy of Technology: An Introduction
Philosophy of Technology: An Introduction
Political and Social Philosophy: An Introduction
Political and Social Philosophy: An Introduction
Environmental Philosophy: An Introduction
Environmental Philosophy: An Introduction
Existentialism and Phenomenology: An Introduction
Existentialism and Phenomenology: An Introduction
Feminist Philosophy: An Introduction
Feminist Philosophy: An Introduction
Philosophy of Mind: An Introduction
Philosophy of Mind: An Introduction
Terms & Concepts
Duhem-Quine Thesis
The claim that since physical theories are never tested in isolation and any experimental failure can always be accommodated by making adjustments among the auxiliary theories involved. It follows from…
Proof by contradiction
A proof strategy whereby a statement’s negation is proved by assuming the statement is true.This assumption leads to a contradiction, which proves the assumption is false. (See also Negation introduction…
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